Principles of Plant Culture An Elementary Treatise Designed As a Text book for
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Plants as Affected by Animal Parasites. 167 309. The Root-Eaters include fewer species than the leaf -eaters and are usually more difficult to control. Carbon bisulfid, injected into the soil about the roots of cabbage and cauliflower plants, with an instrument devised for the purpose (Fig. 72), has been successfully used to destroy the cabbage maggot, * and may be found useful in other cases. Attacks of this insect have also been successfully prevented by surrounding the stem of the young plan...t with small cards of thin tarred paper. One of these cards, the tool used for cutting them, and the manner of using the tool are shown in Figs. 72, 73 and 74. 310. Burrowers, as the term is here used, include not only the so-called borers that burrow within the stems and roots ^ of plants, and the leaf -miners, that live between the surface of leaves, but also the insects that pass their larval stage within fruits. Insects FIG. 72. Tool for injecting poisonous liquids about the OI this ClaSS are difficult to CO11- rootsof plants.
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You can find similar books in the "Read Also" column, or choose other free books by E S Emmett Stull Goff to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Plants as Affected by Animal Parasites. 167 309. The Root-Eaters include fewer species than the leaf -eaters and are usually more difficult to control. Carbon bisulfid, injected into the soil about the roots of cabbage and cauliflower plants, with an instrument devised for the purpose (Fig. 72), has been successfully used to destroy the cabbage maggot, * and may be found useful in other cases. Attacks of this insect have also been successfully prevented by surrounding the stem of the young plan...t with small cards of thin tarred paper. One of these cards, the tool used for cutting them, and the manner of using the tool are shown in Figs. 72, 73 and 74. 310. Burrowers, as the term is here used, include not only the so-called borers that burrow within the stems and roots ^ of plants, and the leaf -miners, that live between the surface of leaves, but also the insects that pass their larval stage within fruits. Insects FIG. 72. Tool for injecting poisonous liquids about the OI this ClaSS are difficult to CO11- rootsof plants.
What to read after Principles of Plant Culture An Elementary Treatise Designed As a Text book for?
You can find similar books in the "Read Also" column, or choose other free books by E S Emmett Stull Goff to read onlineMoreLess
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